I knew that by getting behind the wheel of the car and having had something to drink the responsibility laid on my shoulders.

Well it is so difficult right now when you look out on the road and how fast people go and the more and more cars you see out there for teenagers you'd think a kid that literally a few years before was sitting back in a car seat in the back seat is now behind the wheel.

A lot of the songs start with an image. I was sitting there playing the guitar and I pictured this old dirty green car with the window rolled down in the hot hot hot Texas heat and this beautiful woman I knew when I was a kid sitting behind the wheel looking out at me.

On my job I end up jumping out of planes. Last week I got in an 18-wheeler and drove down a runway onto a skid track. The week before that they put me in a car and sunk me to the bottom of a lake to see if I could escape without an oxygen tank.

I think fear is what keeps us from going over the edge. I mean as a race car driver I don't think what makes a good race car driver is a fearless person. I think it's somebody that is comfortable being behind the wheel of something that's somewhat out of control.

I'm starting to think about things that I want to do things that are fun. One of them is driving a car like a Porsche. I've driven a lot of cars - sedans trucks and big family vehicles all year long. But there's nothing like a four-wheel-drive Porsche.

My next adventure will be being in a car with Mischa at the wheel.

We go through the whole season working on next season's car and developing the car and making sure we fit in the car and all that sort of stuff. And we obviously give ideas of what we would hope next year's car would have even if it's small things like buttons on the steering wheel and different positions and whatever.

The people who criticise you will not be the ones taking care of your legs when you are in your wheelchair. People who never drove a car in these conditions they just don't know.

Of course I'm older now. I'm in a different place in my life than when I wrote the songs for 'Car Wheels' or 'Essence' or whatever. Different things were going on.